Hidden Moon, Rejuvenation Protein, and an Antarctic Tipping Point – Science Breakthroughs (Aug 21–22, 2025)
Astronomers observed SN 2021yfj, a stripped-down supernova whose progenitor shed hydrogen, helium, and carbon to reveal an exposed silicon/sulfur core, with the Nature report published on August 20, 2025. NASA’s James Webb Space Telescope spotted a previously unknown inner moon orbiting Uranus, about 6
